



Employees at Biogen rank Michel Vounatsos in the Bottom 35% of CEOs in Boston. Comparatively, employees at Vertex Pharmaceuticals rank Reshma Kewalramani in the Top 10% of CEOs in Boston. Employees rate their CEO differently based on the frequency of interaction, ability to affect company culture, and drive measurable results.

Women at Biogen rated their CEO a B-

Women at Vertex Pharmaceuticals rated their CEO an A+

Diverse Employees at Biogen rated their CEO a B-

Diverse Employees at Vertex Pharmaceuticals rated their CEO a B+


At Biogen, employees in the HR department rate Michel Vounatsos the highest. According to employees, Michel Vounatsos' ability to drive business results is Very Bad. At Vertex Pharmaceuticals, the HR department's employees rate their CEO highest. And, 100% of Vertex Pharmaceuticals' employees approve of their CEO's management style.